A Dutch Design Studio’s Smog-Eating Tower
An air purifier for the great outdoors.
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Innovator: Daan Roosegaarde
Age: 36
Owner of Rotterdam design firm Studio Roosegaarde, which has 10 designers and engineers
Form and function
The Smog Free Tower, which stands 23 feet tall, sucks in and cleans 1 million cubic feet of polluted air an hour, while using about as much electricity as a boiler.